Cite

Casey, Robert R. (Robert Randolph), 1915-1986. "[Letter from Bob Casey to John J. Herrera - 1966-02-21]." University of North Texas. Libraries. 1966-02-21, https://texashistory.unt.edu/ark:/67531/metapth249348/.

Casey, Robert R. (Robert Randolph), 1915-1986 (1966-02-21). [Letter from Bob Casey to John J. Herrera - 1966-02-21]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth249348/

Casey, Robert R. (Robert Randolph), 1915-1986. "[Letter from Bob Casey to John J. Herrera - 1966-02-21]." 1966-02-21. July 19, 2025. https://texashistory.unt.edu/ark:/67531/metapth249348/.